Waterproof box for a camera



FIG. 1 is a front and top-right perspective view of a waterproof box for a camera showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image thereto;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof, and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a waterproof box for a camera, as shown and described. 